---
sourceDocument: Xanadu Operational Technology Management
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/xanadu/operational-technology

 Release :

    - xanadu

ft:locale :

    - en-US

ft:publication_title :

    - Xanadu Operational Technology Management

ft:clusterId :

    - optm

bundleId :

    - optm

workflow :

    - Technology


---

# Add a custom validation for devices

# Add a custom validation for devices {#ariaid-title1}

* Release version: Xanadu
* 
* Updated August 1, 2024
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Customize the validation for your OT devices.

## Before you begin

The base system for the sn_otsm_sgc.SGOTAssetCustomValidationExtensionPoint extension point uses the default sn_otsm_sgc.SGOTExcelStagingAssetValidationProcessor implementation
script. You can add a customized validation by creating an implementation for the extension point in the Service Graph Connector for Operational Technology (Excel) scope.

Role required: cmdb_inst_admin, admin

## Procedure

1. Navigate to AllSystem Extensions PointScripted Extension Points.
2. Select sn_otsm_sgc.SGOTAssetCustomValidationExtensionPoint.
3. Select the Create Implementation related link.  
   A script include is created where you can add your custom validation.
4. To add a custom validation, refer to the following validation scenario.
5. Select Update.

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